25 videos in "Computation Shortcuts"
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Ex 1 - Multiplying numbers with 25
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Ex 2 - Multiplying numbers with 25
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Ex 3 - Multiplying numbers with 25
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Ex 1 - Multiplying numbers with 11
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Ex 2 - Multiplying numbers with 11
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Ex 3 - Multiplying numbers with 11
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Ex 1 - Multiplying numbers with 5
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Ex 2 - Multiplying numbers with 5
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Ex 3 - Multiplying numbers with 5
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Ex 1 - Multiplying numbers using Line Intersection
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Ex 2 - Multiplying numbers using Line Intersection
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Ex 3 - Multiplying numbers using Line Intersection
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Ex 1 - Dividing numbers by 25
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Ex 2 - Dividing numbers by 25
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Ex 3 - Dividing numbers by 25
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Ex 1 - Dividing numbers by 5
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Ex 2 - Dividing numbers by 5
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Ex 3 - Dividing numbers by 5
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Ex 1 - Subtracting from multiples of 10
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Ex 2 - Subtracting from multiples of 10
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Ex 3 - Subtracting from multiples of 10
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Ex 1 - Squaring numbers ending with 5
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Ex 2 - Squaring numbers ending with 5
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Ex 3 - Squaring numbers ending with 5
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Fastest Way to Multiply by Six
Ex 3 - Multiplying numbers using Line Intersection
- How do you multiply numbers using line intersections?
- What is the line intersection method of multiplication?
- Is there a quick and easy shortcut or trick for multiplying numbers by drawing diagonal lines?
- How can you find 123 * 234 quickly?
This video teaches you a very different and interesting way of multiplying numbers by drawing diagonal lines and counting up the intersection points. This method is kind of cool and fun, but the way the sums of intersections are written is a bit confusing.
